Solve the problem.A population of birds in a small county can be modeled by the polynomial 
where x = 1 corresponds to July 1, x = 2 to July 2, and so on. Estimate the number of birds on July 13th.
A. 28,261
B. 5617
C. 22,165
D. 7981
Answer: D
Mathematics
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Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.
x = 91 - x
A. 
? 1.386
B. ln 
- ln 9 ? -1.350
C. 
? 1.257
D. 
? 0.722
Mathematics
Simplify.-|-18|
A. 18 B. -1 C. -18 D. 1
Mathematics
Use the change of base formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log2/319
A. 8.92 B. -14.52 C. -7.26 D. 7.26
Mathematics
Choose the graph that matches the equation.y2 = 6x
A. 
B. 
C. 
D. 
Mathematics